/* 
 * Cashbox is the legal property of its developers, whose names are listed in the copyright file included
 * with this source distribution.
 * 
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
 * General Public License as published by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
 * Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along with this program; if not,
 * write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#import "CBCurrencyFormatter.h"

@implementation CBCurrencyFormatter

- (NSString *)stringForObjectValue:(id)value {
	if ([value doubleValue] == 0) {
		return @"";
	} else {
		NSNumberFormatter *formatter;
		formatter = [[[NSNumberFormatter alloc] init] autorelease];
		[formatter setNumberStyle:NSNumberFormatterCurrencyStyle];
		return [formatter stringForObjectValue:value];		
	}
}

- (BOOL)getObjectValue:(id *)anObject forString:(NSString *)string errorDescription:(NSString **)error {
	NSNumberFormatter *formatter;
	id object = nil;
	
	formatter = [[[NSNumberFormatter alloc] init] autorelease];
	[formatter setNumberStyle:NSNumberFormatterCurrencyStyle];
	[formatter getObjectValue:&object forString:string errorDescription:error];
	
	if (object) {
		*anObject = object;
		return TRUE;
	}

	formatter = [[[NSNumberFormatter alloc] init] autorelease];
	[formatter setNumberStyle:NSNumberFormatterDecimalStyle];
	[formatter getObjectValue:&object forString:string errorDescription:error];
	
	if (object) {
		*anObject = object;
		return TRUE;
	}

	formatter = [[[NSNumberFormatter alloc] init] autorelease];
	[formatter setNumberStyle:NSNumberFormatterNoStyle];
	[formatter getObjectValue:&object forString:string errorDescription:error];
	
	if (object) {
		*anObject = object;
		return TRUE;
	}
	
	if (!string || [string isEqualToString:@""]) {
		*anObject = nil;
		return TRUE;
	}
	
	return FALSE;
	
}

@end
